Connor Johnston’s junior tennis career is winding down, but the recent Northville High grad and Novi native continues to add to an already impressive resumè.

Johnston, bound for the University of Michigan this fall, teamed up last week with David Horneffer of Brookfield, Wis. to capture the Boys 18 doubles championship at the U.S. Tennis Association Midwest Section Closed Junior Championship, June 25-30, in Indianpolis, Ind.

Johnston and Horneffer, the eighth seeds, won all five of their matches capped by a 3-6, 6-4 (10-5 super-breaker) win over seventh seeds Lukas Greif (Evansville, Ind.) and Jonathan Small (Zionsville, Ind.) in the finals.

“The key was staying calm and not thinking about it too much,” Johnston said. “In the finals we were down 65-to-70 percent of the match and brought it back and eventually won ... just not get too down on ourselves and stay positive.”

“We just get to the net as quick as possible,” Johnston said. “That’s how you win in doubles. It’s a race to the net pretty much.”

Johnston and Horneffer were reunited in doubles after playing together in a USTA National Level 1 tournament where they took the bronze ball in 2014.

For Johnston, it was his third Midwest Closed age group doubles title duplicating his feats in both the Boys 16s and 14s.

“I like doubles because of the quick back-and-forth at the net, just the reaction volleys,” Johnston said. “It’s a lot of fun. It’s more aggressive.”

Johnston’s strong doubles play at the junior level should bode well heading into his freshman season at Michigan.

“Doubles is really important in college just because the first (team) point is decided from doubles when you go into the singles,” he said. “You’re either up or down a point.”

In singles, the sixth-seeded Johnston reached the quarterfinals before falling to Small, the fourth seed, 6-1, 6-4.

Johnston, who was the MHSAA Division 1 top flight singles champion in 2015 after finishing runner-up to Novi’s Tim Wang (Columbia University) in 2015 and 2014, outlasted Kenyatte, the 13th seed, in the round of 16 in three sets, 3-6, 6-1, 6-1.

That came after a strenuous 7-6 (9-7), 6-4 win over Brett Meyers (Naperville, Ill.).

“We both threw up,” Johnston said. “It was almost a three-hour match.”

“I won my first four rounds in singles, but I had two tough rounds to get there,” Johnston said. “In the quarterfinals I got down really early. I had a poor start. I brought it back in the second set, but the kid (Small) was really good. He’s ranked seventh in the country.”

Johnston, who was the Midwest Closed Boys 16 singles runner-up in 2014, is currently ranked No. 50 nationally by TennisRecruiting.net. He is also ranked fourth in the Great Lakes and first in Michigan.

His goal is to return to the USTA Boys 18 Nationals next month in Kalamazoo.

“The endorsement list is coming out and I should be hopefully be on it,” Johnston said.